| 56  | 
        46  | 
        42  | 
        35  | 
        28  | 
        21  | 
        14  | 
        7  | 
        Day | 
        Group  | 
         
      
        | 4.2 ± 0.69  | 
        3.7 ± 0.21  | 
        3.7 ± 0.21  | 
        3.6 ± 0.28  | 
        3.7 ± 0.21  | 
        3.5 ± 0.35  | 
        3.6 ± 0.28  | 
        3.1 ± 0.63  | 
        C | 
       
      
        | 4.7 ± 0.65  | 
        4.3 ± 0.68  | 
        4.3 ± 0.68  | 
        4.3 ± 0.68  | 
        4.5 ± 0.67  | 
        4.4 ± 0.67  | 
        3.6 ± 0.28  | 
        3.2 ± 0.56  | 
        L1 | 
       
      
        | 4.3 ± 0.68  | 
        4.3 ± 0.68  | 
        4.3 ± 0.68  | 
        4.2 ± 0.69  | 
        4.1 ± 0.70  | 
        3.8 ± 0.14  | 
        3.9 ± 0.07  | 
        3.2 ± 0.56  | 
        L2 | 
       
      
        | 5.1 ± 0.63  | 
        4.7 ± 0.65  | 
        4.6 ± 0.66  | 
        4.1 ± 0.70  | 
        4.1 ± 0.70  | 
        4.2 ± 0.69  | 
        3.7 ± 0.21  | 
        3.2 ± 0.56  | 
        L3 | 
       
      
        | 5.1 ± 0.63  | 
        4.8 ± 0.65  | 
        4.8 ± 0.65  | 
        4.1 ± 0.70  | 
        4.1 ± 0.70  | 
        3.4 ± 0.42  | 
        3.3 ± 0.49  | 
        3.1 ± 0.63  | 
        L4 | 
       
      |